body,
div,
p,
footer {
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
}
body {
  font-family: Microsoft YaHei;
}
.warp {
  margin: 0 auto;
  overflow: hidden;
  width: 1600px;
}
section {
  position: relative;
  overflow: hidden;
}
.btn {
  width: 303px;
  height: 60px;
  cursor: pointer;
  position: absolute;
  top: 687px;
  left: 50%;
  background: url(about:blank);
}
.btn1 {
  width: 195px;
  height: 41px;
  cursor: pointer;
  position: absolute;
  top: 987px;
  left: 60%;
  background: url(about:blank);
}
.bt2 {
  top: 1136px;
}
.bt3 {
  top: 1280px;
}
.num {
  position: absolute;
  width: 56px;
  height: 20px;
  left: 66.5%;
  top: 940px;
  font-size: 14px;
  line-height: 20px;
  color: #000000;
  background: url(about:blank);
}
.b2 {
  top: 1086px;
}
.b3 {
  top: 1234px;
}
footer {
  display: block;
  text-align: center;
  color: #000;
  padding: 20px;
  font-size: 12px;
}
footer a {
  color: #000;
}
